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Diffstat (limited to 'matching/include/spdlog/details/file_helper.h')
-rw-r--r-- | matching/include/spdlog/details/file_helper.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/matching/include/spdlog/details/file_helper.h b/matching/include/spdlog/details/file_helper.h deleted file mode 100644 index 8c1132d..0000000 --- a/matching/include/spdlog/details/file_helper.h +++ /dev/null @@ -1,152 +0,0 @@ -// -// Copyright(c) 2015 Gabi Melman. -// Distributed under the MIT License (http://opensource.org/licenses/MIT) -// - -#pragma once - -// Helper class for file sinks. -// When failing to open a file, retry several times(5) with a delay interval(10 ms). -// Throw spdlog_ex exception on errors. - -#include "spdlog/details/log_msg.h" -#include "spdlog/details/os.h" - -#include <cerrno> -#include <chrono> -#include <cstdio> -#include <string> -#include <thread> -#include <tuple> - -namespace spdlog { -namespace details { - -class file_helper -{ - -public: - const int open_tries = 5; - const int open_interval = 10; - - explicit file_helper() = default; - - file_helper(const file_helper &) = delete; - file_helper &operator=(const file_helper &) = delete; - - ~file_helper() - { - close(); - } - - void open(const filename_t &fname, bool truncate = false) - { - close(); - auto *mode = truncate ? SPDLOG_FILENAME_T("wb") : SPDLOG_FILENAME_T("ab"); - _filename = fname; - for (int tries = 0; tries < open_tries; ++tries) - { - if (!os::fopen_s(&fd_, fname, mode)) - { - return; - } - - details::os::sleep_for_millis(open_interval); - } - - throw spdlog_ex("Failed opening file " + os::filename_to_str(_filename) + " for writing", errno); - } - - void reopen(bool truncate) - { - if (_filename.empty()) - { - throw spdlog_ex("Failed re opening file - was not opened before"); - } - open(_filename, truncate); - } - - void flush() - { - std::fflush(fd_); - } - - void close() - { - if (fd_ != nullptr) - { - std::fclose(fd_); - fd_ = nullptr; - } - } - - void write(const fmt::memory_buffer &buf) - { - size_t msg_size = buf.size(); - auto data = buf.data(); - if (std::fwrite(data, 1, msg_size, fd_) != msg_size) - { - throw spdlog_ex("Failed writing to file " + os::filename_to_str(_filename), errno); - } - } - - size_t size() const - { - if (fd_ == nullptr) - { - throw spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename)); - } - return os::filesize(fd_); - } - - const filename_t &filename() const - { - return _filename; - } - - static bool file_exists(const filename_t &fname) - { - return os::file_exists(fname); - } - - // - // return file path and its extension: - // - // "mylog.txt" => ("mylog", ".txt") - // "mylog" => ("mylog", "") - // "mylog." => ("mylog.", "") - // "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt") - // - // the starting dot in filenames is ignored (hidden files): - // - // ".mylog" => (".mylog". "") - // "my_folder/.mylog" => ("my_folder/.mylog", "") - // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt") - static std::tuple<filename_t, filename_t> split_by_extension(const spdlog::filename_t &fname) - { - auto ext_index = fname.rfind('.'); - - // no valid extension found - return whole path and empty string as - // extension - if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1) - { - return std::make_tuple(fname, spdlog::filename_t()); - } - - // treat casese like "/etc/rc.d/somelogfile or "/abc/.hiddenfile" - auto folder_index = fname.rfind(details::os::folder_sep); - if (folder_index != filename_t::npos && folder_index >= ext_index - 1) - { - return std::make_tuple(fname, spdlog::filename_t()); - } - - // finally - return a valid base and extension tuple - return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index)); - } - -private: - std::FILE *fd_{nullptr}; - filename_t _filename; -}; -} // namespace details -} // namespace spdlog |